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Re: replacing $<
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From: |
Russ Allbery |
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Subject: |
Re: replacing $< |
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Date: |
Tue, 21 Oct 2003 13:45:12 -0700 |
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User-agent: |
Gnus/5.1002 (Gnus v5.10.2) XEmacs/21.4 (Common Lisp, linux) |
Bill Moseley <address@hidden> writes:
> I'm sorry, I cut from the wrong makefile. I have this in a
> Makefile.am, not the above:
> $(srcdir)/swish-e.1 : $(top_srcdir)/pod/swish-e.pod
> -rm -f $@
> -pod2man --center="SWISH-E Documentation" --lax
> --release='$(VERSION)' $< > $@
> And on Solaris 2.6 $< is not getting set.
Ah! Now it makes sense. $< is only guaranteed to be set for pattern
rules; many make implementations, including Solaris's, do not set it for
regular rules. You need to just repeat the name of the POD file in the
build rule, unfortunately. (Or use a pattern rule, but that can be harder
to do for things like this.)
--
Russ Allbery (address@hidden) <http://www.eyrie.org/~eagle/>